2143400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{1531}}^1$

素因数の和:1554

約数の個数: 48

約数和(自身を含む): 5699040

約数和(自身を除く): 3555640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 1531, 3062, 6124, 7655, 10717, 12248, 15310, 21434, 30620, 38275, 42868, 53585, 61240, 76550, 85736, 107170, 153100, 214340, 267925, 306200, 428680, 535850, 1071700, 2143400]

約数ペア:

[(1, 2143400), (2, 1071700), (4, 535850), (5, 428680), (7, 306200), (8, 267925), (10, 214340), (14, 153100), (20, 107170), (25, 85736), (28, 76550), (35, 61240), (40, 53585), (50, 42868), (56, 38275), (70, 30620), (100, 21434), (140, 15310), (175, 12248), (200, 10717), (280, 7655), (350, 6124), (700, 3062), (1400, 1531)]